DC-DC Converter 12V to 3V/5-24V to 3.3V 1A Mini Non-isolated Step Down Module QS-7803-1A

Brand: QSKJ

Model: QS-7803-1A

Parameters:

• Dimension: 11.6*10*5.8mm

• Module Properties: Non-isolated step-down module (buck)

• Rectifier mode: Synchronous rectification

• Input voltage: 5-24V

• Output voltage: 3.3V (precision ± 1%)

• Output power: 3.3W

• Recommended input and output capacitors: input capacitance 10UF (ceramics), the output capacitor 22UF (ceramic)

• Maximum capacitive load: 1000UF

• Output current: 1A

• Conversion efficiency: input voltage 5V 94% (highest), input voltage 20V 85% (minimum)

• Operating temperature: industrial - grade (-40 ° c to + 85 ° c) (85 ° c output current 0.5 A)

• The maximum case temperature at working: 100 ° c

• Full load temperature rise: 50 ° c

• Load regulation: ± 0.5 %

• Voltage regulation: ± 0.5 %

• Output ripple: 1A load current (typical application circuit, the input of ceramic capacitors 10UF, output ceramic capacitors 22UF)

• Input 6.5V output ripple 13mV

• Input 12V output ripple 30mV

• Input 20V output ripple 45mV

• Bandwidth: 20M

• If you ripple to lower the need, please install LC filter at the output

• Dynamic response speed: 5% 200uS

• Short circuit protection: current limit (3A), self-recovery

• Over-temperature protection: 150 ° c

• Static current: 7-20 mA (the higher the input voltage, the higher of the static current)

• Input reverse polarity protection: None

• Wiring: Welding, the SIP-3 package, compatible with the LM7805.